diff --git a/biometrics/face/aidl/aidl_api/android.hardware.biometrics.face/current/android/hardware/biometrics/face/SensorProps.aidl b/biometrics/face/aidl/aidl_api/android.hardware.biometrics.face/current/android/hardware/biometrics/face/SensorProps.aidl
index e6ea9f9..8b3c51b 100644
--- a/biometrics/face/aidl/aidl_api/android.hardware.biometrics.face/current/android/hardware/biometrics/face/SensorProps.aidl
+++ b/biometrics/face/aidl/aidl_api/android.hardware.biometrics.face/current/android/hardware/biometrics/face/SensorProps.aidl
@@ -37,6 +37,7 @@
   android.hardware.biometrics.common.CommonProps commonProps;
   android.hardware.biometrics.face.FaceSensorType sensorType = android.hardware.biometrics.face.FaceSensorType.UNKNOWN;
   boolean halControlsPreview;
+  int previewDisplayId;
   int enrollPreviewWidth;
   int enrollPreviewHeight;
   float enrollTranslationX;
diff --git a/biometrics/face/aidl/android/hardware/biometrics/face/SensorProps.aidl b/biometrics/face/aidl/android/hardware/biometrics/face/SensorProps.aidl
index 994324d..5f881ca 100644
--- a/biometrics/face/aidl/android/hardware/biometrics/face/SensorProps.aidl
+++ b/biometrics/face/aidl/android/hardware/biometrics/face/SensorProps.aidl
@@ -41,6 +41,13 @@
     boolean halControlsPreview;
 
     /**
+     * The ID of the display that's used for enrollment preview. This must correspond to the
+     * android.hardware.DisplayManager#getDisplay Android API. This is useful for devices with
+     * multiple displays to ensure the correct display is used for this face sensor.
+     */
+    int previewDisplayId;
+
+    /**
      * For implementations where the HAL manages the preview, this is the width, in pixels, of each
      * frame that the camera is set up to output.
      */